A guide on how to eliminate Carl Ingram and Marcus Stuyvesant in Hitman 3.
How to Eliminate Carl Ingram
Firstly, try to find “only personal room” then kill event security to wear his/her disguise:

Then go to upstairs. But on the upstairs, you need to wear this disguise on Carl Ingram’s room:


How to Eliminate Marcus Stuyvesant
To eliminate Marcus Stuyvesant, I think event security suit is enough for you.
